Question

(a) If a -1a = 4, find the value of a2 + 1a2.​

Answer 1

Answer:

-16

Step-by-step explanation:

a=4+1a

(4+1a)*2+1*(4+1a)*2

8+2a+8+2a

16+4a

4a=-16

a=-4

so, now put the value of a in a2+1a2

-4*2+1*-4*2

-8-8=-16